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Plantation
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4
Please help me to understand calculation of the symmetry factor of Feynman diagrams (Lancaster & Blundell's Quantum field theory)
Sep 5, 2023
2
Understanding Example 36.7 in the Blundell's Quantum field theory
Jan 24, 2023
2
Understanding the Griffith, Electrodynamics Example 8.2 (Net force on the northern hemisphere)
May 5, 2023
2
Is this formula, other than (2.38) in peskin's quantum field theory, also true?
Aug 23, 2023
2
Schwartz's Quantum field theory (14.100)
Oct 19, 2023
1
Speed of water at bottom of an inclined plane
Feb 8, 2022
1
Time evolution on a tensor product space
Aug 3, 2022
1
Argument about identical particles
Jan 9, 2023
1
Calculating $\langle\hat{\phi_i}\rangle_t$ (Blundell's Quantum field theory) (EDITED) [closed]
Jan 14, 2023
1
Why $\sum_n|E_n \rangle \operatorname{exp}(-\beta\mathcal{H})\langle E_n| = \operatorname{exp}(-\beta \mathcal{H})$? (Quantum statistics)
Aug 20, 2023
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6
Can anyone help to perform this heinous integral? (Peskin & Schroeder's Quantum field theory (4.76)-(4.78)) (Including my own trial )
5
Why $\operatorname{Proj}\mathbb{Z}[x,y,z]/(y^2z+yz^2-x^3+xz^2)$ is fibered surface over $\operatorname{Spec}\mathbb{Z}$?